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1,692 results for “Caenogastropoda”
Figure 1 in A new genus and two new species of Hydrobiidae (Mollusca, Caenogastropoda) from the Iberian Peninsula
Figure 1. Iberian Iberhoratia populations.
Target-capture probes for phylogenomics of the Caenogastropoda
<p class="MsoNormal">Target-capture approaches have facilitated a rapid growth in the field of phylogenomics but few probe sets exist for mollusks, an exceptionally rich phylum with unparalleled ecological and morphological diversity. We designed and tested the first universal probe set using Phyluce to capture ultraconserved elements (UCEs) and exon loci from the Subclass Caenogastropoda – one of six major lineages of gastropods. The probe set consists of 29,441 probes (8,872 for UCEs and 20,569 for exons) designed to target 1,142 UCE loci and 1,933 exon loci (3,075 total). In silico analyses of our probe set yielded an average of 2,110 loci from genomes and 1,389 loci from transcriptomes of diverse caenogastropods, respectively. After screening these loci to remove those that matched multiple contigs, an average of 1,686 loci from genomes and 785 loci from transcriptomes were retained. Phylogenetic analyses of the loci extracted from transcriptomes produced well-supported trees very similar to those published based on transcriptomic analyses. Although there are few caenogastropod genomes to analyze, phylogenetic relationships estimated from the analysis of loci extracted from genomes recover similar phylogenetic relationships and indicate that the loci targeted with this probe set are informative for resolving deep phylogenetic relationships. An in vitro analysis of the probe set with the Epitoniidae, a diverse caenogastropod family of uncertain affinity and with poorly resolved evolutionary relationships, recovered an average of 1,710 loci and produced a well-resolved phylogeny. Although preliminary, the analysis of loci captured by our probe set for a small number of epitoniid taxa produced a well-resolved tree indicating that this probe set is also able to resolve relationships at shallower hierarchical scales. Together, the in silico and in vitro analyses indicate that target-capture enrichment with this probe set is a useful tool for reconstructing phylogenetic relationships across taxonomic levels and evolutionary time scales.</p>
Target-capture probes for phylogenomics of the Caenogastropoda
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Two new phreatic snails (Mollusca: Caenogastropoda: Cochliopidae) from the Edwards and Edwards-Trinity aquifers, Texas
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FIGURE 1 in An unusually sculptured new species of Phreatodrobia Hershler & Longley (Mollusca: Caenogastropoda: Cochliopidae) from central Texas
FIGURE 1. Map of Texas with collection localities for Phreatodrobia spica n. sp. and additional Phreatodrobia spp. presented in phylogeny. Karstic regions highlighted in gray are drawn from US Karst Map dataset (Weary & Doctor 2014). Counties are also illustrated. Inset map of North America with the study area indicated, created by Benjamin Hutchins.
FIGURE 3 in An unusually sculptured new species of Phreatodrobia Hershler & Longley (Mollusca: Caenogastropoda: Cochliopidae) from central Texas
FIGURE 3. Shells of Phreatodrobia spica n. sp. A–C. holotype, Comal Springs, ANSP 1446-A480669, height=1.32 mm, width=0.79 mm. D–E. Comal Springs, ANSP 1449-A480668, height=1.26 mm. F. Tahuaya Springs, ANSP 1423-A480671, height=1.43 mm. G–H. Finegan Springs, height = 1.35 mm. I–J. Comal Springs individual, operculum 0.72 mm top to bottom, operculum exterior. J. operculum ventral. K–L. Comal Springs, bodies ~1.5 mm long. K. Body ventral. L. Body dorsal. A–C are in the same scale. D–H are in the same scale.
Images from: Sexual dimorphism in shells of Cochlostoma septemspirale (Caenogastropoda, Cyclophoroidea, Diplommatinidae, Cochlostomatinae)
<p>Here we provide the complete set of images used by <a href="https://doi.org/10.3897/zookeys.208.2869">Reichenbach et al. (2012)</a> as basis for a dataset of distance measurements. The images are available in two versions: The first has the measured distances marked in the photo; the second is the original, untouched file.</p> <p>Metadata for images may be retrieved via the image number, which is also part of the dataset published separately by <a href="https://doi.org/10.5281/zenodo.4267813">Reichenbach et al. (2020)</a>. There, the relevant information (sex of specimen, locality, date of collecting, etc.) is given for each specimen.</p> <p>Cited papers are listed below in the "References" section.</p>
FIGURE 124 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 124. Caecum sp. B. A. Profile view with periostracum (LACM 1962-22.33). B. Profile view without periostracum (LACM 1962-22.33). C. Profile view (LACM 1962-22.33). D. Ventral view (LACM 1962-22.33). E. Close-up of surface (LACM 1962-22.33).
FIGURE 128. A. C in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 128. A. C. venustum (SBMNH 619832). B. C. galapagoense (LACM 3755). C. C. semicinctum (LACM 1972-63.90). D. C. cocoense (SBMNH 619898). E. C. shaskyi (SBMNH 637733). F. C. lucidum (SBMNH 452540). G. C. sp. A (LACM 1972-52.67). H. C. sp. B (LACM 1962-22.33). I. C. sp. C (BCD collection, NHMLAC).
FIGURE 123 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 123. Caecum sp. A. A. Profile view with periostracum (LACM 1972-52.67). B. Profile view without periostracum (LACM 1972-52.67). C. Profile view (LACM 1972-52.67). D. Close-up of surface (LACM 1972-52.67). E. Operculum, exterior surface (LACM 1972-52.67). F. C. gulosum holotype, AMS C5919.
FIGURE 120 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 120. Caecum spiculum sp. nov. A. Paratype, profile view with periostracum (SBMNH 637740). B. Paratype, profile view without periostracum (SBMNH 637740). C. Holotype, profile view (SBMNH 637742). D. Paratype, ventral view (SBMNH 637740). E. Paratype, profile view (SBMNH 637740).
FIGURE 115 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 115. Caecum shaskyi sp. nov. shells at different growth stages. A. Teleoconchs III to IV (SBMNH 637733). B. Surface of teleoconch III (SBMNH 637733). C. Teleoconchs IV to VI (SBMNH 637733). D. Surface of teleoconchs IV to VI (SBMNH 637733). E. Teleoconch VI (SBMNH 637733).
FIGURE 127. A. C in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 127. A. C. crebricinctum (SBMNH 120619). B. C. superbum (LACM 1965-25.61). C. C. laqueatum (SBMNH 131113). D. C. elongatum (SBMNH 214991). E. C. californicum (LACM 1971-100.31). F. C. subaustrale (LACM 1975- 28.14). G. C. subspirale (LACM 1978-116.17). H. C. mirificum (LACM 1975-54.29). I. C. insculptum (LACM 1972-57.44). J. C. firmatum (LACM 1967-17.44). K. C. quadratum (LACM 1971-98.36). L. C. strangulatum (LACM 1965-21.72). M. C. heptagonum (LACM 1976-7.15). N. C. limnetes (LACM 1968-14.31). O. C. clathratum (LACM 1973-7.45). P. C. diminutum (SBMNH 619893). Q. C. chilense (LACM 1964-16.25).
FIGURE 111 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 111. Caecum draperi sp. nov. A. Holotype, profile view without periostracum (SBMNH 637748). B. Paratype, profile view with periostracum (LACM 3756). C. Paratype, profile view (SBMNH 637747). D. Paratype, profile view (SBMNH 637747). E. Paratype, ventral view (LACM 3756). F. Operculum, profile view (SBMNH 637747). G. Operculum, exterior surface (SBMNH 637747).
FIGURE 107. Caecum adamsi nom. nov. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 107. Caecum adamsi nom. nov. A. Conceptual reconstruction of growth stages. B. Species distribution map.
FIGURE 109 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 109. Caecum lightfootanum sp. nov. shells at different growth stages. A. Protoconch and teleoconchs I to III (SBMNH 637735). B. Teleoconchs III to IV (SBMNH 637735). C. Surface of teleoconch I (SBMNH 637735). D. Teleoconch V (SBMNH 637735). E. Surface of teleoconchs II to III (SBMNH 637735). F. Surface of teleoconchs IV to VI (SBMNH 637734). G. Teleoconch VI (SBMNH 637734).
FIGURE 108 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 108. Caecum lightfootanum sp. nov. A. Profile view with periostracum (SBMNH 637735). B. Profile view without periostracum (SBMNH 637735). C. Holotype, profile view (SBMNH 637734). D. Paratype, ventral view (SBMNH 637735). E. Paratype, subadult transition, ventral view (SBMNH 637735). F. Operculum, exterior surface (SBMNH 637735).
FIGURE 105. Caecum adamsi nom. nov. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 105. Caecum adamsi nom. nov. A. Profile view with periostracum (SBMNH 620157). B. Profile view without periostracum (SBMNH 620157). C. Profile view (SBMNH 621392). D. Ventral view (SBMNH 621392). E. Operculum, exterior surface (SBMNH 620157). F. Close-up of apertural rings (SBMNH 621392). G. Elephantanellum carpenteri holotype, USNM 340727.
FIGURE 114 in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 114. Caecum shaskyi sp. nov. A. Holotype, profile view with periostracum (SBMNH 637732). B. Paratype, profile view without periostracum (SBMNH 637733). C. Holotype, profile view (SBMNH 637732). D. Paratype, profile view (SBMNH 637733). E. Paratype, ventral view (SBMNH 637733). F. Close-up of periostracum (SBMNH 637733). G. Close-up of surface without periostracum (SBMNH 637733). H. Operculum, exterior surface (SBMNH 637733). I. Operculum, interior surface (SBMNH 637733).
FIGURE 104. Caecum cocoense. A in A Rosetta Stone for eastern Pacific Caecidae (Gastropoda: Caenogastropoda)
FIGURE 104. Caecum cocoense. A. Conceptual reconstruction of growth stages. B. Species distribution map.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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